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Complete transfer of chirality in an intramolecular, thermal [2 + 2] cycloaddition of allene-ynes to form non-racemic spirooxindoles

A thermal [2 + 2] cycloaddition reaction of allene-ynes has been used to transform chiral non-racemic allenyl oxindoles into chiral non-racemic spirooxindoles containing an alkylidene cyclobutene moiety. The enantiomeric excesses were determined by chiral lanthanide shift NMR analysis and the transf...

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Detalles Bibliográficos
Autores principales: Brummond, Kay M, Osbourn, Joshua M
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Beilstein-Institut 2011
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3107521/
https://www.ncbi.nlm.nih.gov/pubmed/21647261
http://dx.doi.org/10.3762/bjoc.7.70